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[ghettoglamour]

Depressions can be triggered by the human body itself, just like a tumor or another desease you wouldn't look for the cause in the way you feel or how your life goes.

It happened to me a year ago, but with professional help and meds I got better and I now I'm healthy again, without meds and stuff.
I know in my case the depression was very intense for a few weeks and then it kinda got better pretty quickly, so I guess I was lucky enough that it didn't have any bad consecuences in my life.

But dude, GET HELP. Go to a doctor, try to get an appointment with a psychiatrist. It's the only advice I can give.